126243153 has 6 divisors (see below), whose sum is σ = 182351234. Its totient is φ = 84162096.

The previous prime is 126243133. The next prime is 126243157. The reversal of 126243153 is 351342621.

126243153 is a `hidden beast` number, since 1 + 2 + 624 + 31 + 5 + 3 = 666.

It can be written as a sum of positive squares in only one way, i.e., 91527489 + 34715664 = 9567^2 + 5892^2 .

It is not a de Polignac number, because 126243153 - 2⁵ = 126243121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (126243157) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7013500 + ... + 7013517.

Almost surely, 2^126243153 is an apocalyptic number.

It is an amenable number.

126243153 is a deficient number, since it is larger than the sum of its proper divisors (56108081).

126243153 is a wasteful number, since it uses less digits than its factorization.

126243153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14027023 (or 14027020 counting only the distinct ones).

The product of its digits is 4320, while the sum is 27.

The square root of 126243153 is about 11235.7978354899. The cubic root of 126243153 is about 501.6520726333.

Adding to 126243153 its reverse (351342621), we get a palindrome (477585774).

The spelling of 126243153 in words is "one hundred twenty-six million, two hundred forty-three thousand, one hundred fifty-three".